" Another minor difference is that the 150 short wheel base is the only model available with barn doors, all others have sliders."
I'm pretty sure that only low roof models can have passenger side barn doors regardless of length. My 148'' wagon has barn doors.
2015 LR T350 XLT 3.7 Wagon 3.73 rear end with LS. 200 ah house battery, 320 Solar, 300 watt PSW and 1,100 watt MSW inverters, 140 amp VSR, 250 amp alternator, 45 amp smart charge converter A/C D/C distribution box, shore power option, 30 amp MPPT CC. and still have stuff to add.